around campfield road and reisterstown road to avoid going outside during the spraying. >> the idea is that we will get in there and the sprays will knock down the mosquito population, which is most likely carrying the virus, and of course this reduces human exposure. >> they need to do what they have to do. so i'm happy. i mean, if it's going to stop it and more people won't die or get sick from this, then do what you have to do. >> but milford mill is not the only area that is apparently at risk. state officials say there's been west nile virus activity in the city, baltimore county, northern anne arundel county, prince george's county, montgomery county, and the eastern shore. in addition to millford mill, the arundel marley area of anne arundel county will also be sprayed for mosquitoes in the coming weeks. -- the harundale marley area.